license: This image is a derivative work of the following images: File:Book_template.gif licensed with PD-self 2008-06-03T13:07:43Z Theoteryi 48x38 (1767
This image is a derivative work of the following images: File:Pioneers_pin.svg licensed with PD-RU-exempt 2009-04-03T17:05:19Z Ahnode 500x500 (273442 Bytes)
following images: File:Book_closed_template.gif licensed with PD-self 2006-02-06T09:54:01Z Nesusvet 48x48 (2322 Bytes) Closed book Uploaded with derivativeFX